<!DOCTYPE html>
<html class="reftest-wait">
<meta charset="utf-8">
<title>CSS Multi-column Layout Test: Insert a block into a multicol details containing column-span:all</title>
<link rel="author" title="Ting-Yu Lin" href="mailto:[email protected]">
<link rel="author" title="Mozilla" href="http://www.mozilla.org/">
<link rel="help" href="https://drafts.csswg.org/css-multicol-1/#column-span">
<link rel="match" href="multicol-span-all-dynamic-add-013-ref.html">
<meta name="assert" content="This test checks that <summary> is still rendered as the first element after inserting a block into multicol <details>, at the place before <summary>.">
<script>
function runTest() {
document.body.offsetHeight;
// Create a div, and insert it as the first child of <details>,
// just before <summary>.
var block1 = document.createElement("div");
var block1Text = document.createTextNode("block1");
block1.appendChild(block1Text);
var details = document.getElementById("details");
details.insertBefore(block1, details.children[0]);
document.documentElement.removeAttribute("class");
}
</script>
<style>
#details {
column-count: 3;
column-rule: 6px solid;
width: 400px;
outline: 1px solid black;
}
h3 {
column-span: all;
outline: 1px solid blue;
}
</style>
<body onload="runTest();">
<details open id="details">
<summary>Summary</summary>
<h3>spanner</h3>
<div>block2</div>
</details>
</body>
</html>
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